Chronic actinic dermatitis/actinic reticuloid (CAD/AR) is an eczematous hypersensitivity reaction to ultraviolet rays that can vary from mild eczematous cases to AR, the most severe cases which may resemble cutaneous T-cell lymphoma. Diagnosis is based on clinical, histopathologic, and photobiologic features.

How is actinic dermatitis treated?

What is the treatment for chronic actinic dermatitis?

  1. Emollients.
  2. Topical corticosteroids.
  3. Topical tacrolimus or pimecrolimus cream.

What is actinic eczema?

The term ‘chronic actinic dermatitis ‘or ‘CAD’ is used to describe an unusual type of eczema or dermatitis that is caused by abnormal skin sensitivity to sunlight (photosensitivity). CAD usually lasts for several years.

What is CAD in dermatology?

What is CAD? Chronic actinic dermatitis is a skin disorder in which the skin, particularly on sunlight exposed areas, becomes inflamed and develops eczema (dermatitis). Patients are abnormally sensitive to sunlight and may also react to artificial light sources.

What causes actinic dermatitis?

Chronic actinic dermatitis is a condition where a subject’s skin becomes inflamed due to a reaction to sunlight or artificial light. Patients often suffer from other related conditions of the skin that cause dermatitis in response to a variety of stimuli (e.g., flowers, sunscreens, cosmetics, etc.).

What’s the meaning of actinic?

Actinic: Referring to the ultraviolet (UV) rays from sunlight and UV lamps. Sunburn is an actinic burn. An actinic keratosis is a skin lesion that is the consequence of chronic sun exposure.

What does actinic cheilitis look like?

The first symptom of AC is usually dry, cracking lips. You might then develop either a red and swollen or white patch on your lip. This will almost always be on the lower lip. In more advanced AC, the patches might look scaly and feel like sandpaper.

What is chronic actinic?

Chronic actinic dermatitis (CAD) is an immunologically mediated photodermatosis characterized by pruritic eczematous and lichenified plaques located predominantly on sun-exposed areas with notable sparing of eyelids, skin folds, and postauricular skin.

Why is my skin itches in the sun?

Body heat and sweating that is generated from exposure to the sun, exercise, hot baths, spicy foods, emotion, or other sources can lead to cholinergic urticaria (hives). The skin becomes itchy or may have a burning sensation as your body heat rises and you sweat.

Is dermatitis a rash?

Dermatitis is a general term that describes a common skin irritation. It has many causes and forms and usually involves itchy, dry skin or a rash. Or it might cause the skin to blister, ooze, crust or flake off.

What is inflammation of the skin caused by sun exposure?

Photosensitivity, sometimes referred to as a sun allergy, is an immune system reaction that is triggered by sunlight. Sunlight can trigger immune system reactions. People develop itchy eruptions or areas of redness and inflammation on patches of sun-exposed skin.

What is airborne dermatitis?

Airborne contact dermatitis (ABCD) is an inflammatory reaction involving the skin upon exposure to allergenic agents or irritants suspended in air. In allergic ABCD, the hypersensitivity is classified as a type IV reaction. Substances responsible for such reactions can be of plant or non-plant origin.

How is phototoxic dermatitis treated?

Symptomatic can be obtained with relief with emollients, topical steroids, and anti-histamines. Systemic steroids may be necessary for severe cases. Sensitivity to the sun may take several weeks to abate, especially with photoallergens from sunscreens.

What is Photoallergic dermatitis?

Photoallergic contact dermatitis (PCD) is a delayed-type hypersensitivity cutaneous reaction in response to a photoantigen applied to the skin in subjects previously sensitized to the same substance.

What is photosensitive dermatitis?

Photosensitive dermatitis is a condition where a person’s skin develops unusual reactions, such as eczematous eruptions, in response to UV radiation, visible light, or both in sunlight and artificial light sources. Photosensitive refers to a reaction to light, while dermatitis is the term for inflammation of the skin.

Can’t go out in the sun disease?

People who have an extreme sensitivity to sunlight are born with a rare disease known as xeroderma pigmentosum (XP). They must take extreme measures to protect their skin from ultraviolet (UV) light. Anything that emits UV light, including the sun and some lightbulbs, can damage their skin.

How can you prevent Photodermatitis?

Prevention

  1. Limit sun exposure, especially intense midday sun.
  2. Use PABA-free sunscreens that protect against UVA and have a sun protection factor (SPF) of 30 to 50.
  3. Cover up with a long sleeved shirt, long pants, and a wide brimmed hat.
  4. Beware of using any product that causes sun sensitivity.

What does the medical term pruritus mean?

Overview. Itchy skin is an uncomfortable, irritating sensation that makes you want to scratch. Also known as pruritus (proo-RIE-tus), itchy skin is often caused by dry skin.

What is the actinic effect?

An actinic effect is a chemical effect, either organic or inorganic, caused by radiant energy. Such effects are central to theories of the origin of life and its subsequent evolution; so there is a rather fundamen- tal force attributed to actinism.

What is actinic energy?

: of, relating to, resulting from, or exhibiting chemical changes produced by radiant energy especially in the visible and ultraviolet parts of the spectrum actinic light actinic keratosis.

Which color is most actinic?

Actinic lights are a high-color-temperature blue light.

Will actinic cheilitis go away on its own?

Actinic cheilitis is usually relatively harmless on its own, but some symptoms are considered warning signs of skin cancer. Actinic cheilitis symptoms associated with skin cancer include: extreme tenderness or soreness. an ulcer that will not heal.

What is the best treatment for actinic cheilitis?

Treatment for Actinic Cheilitis

How long does actinic cheilitis last?

Actinic Cheilitis After Treatment Wounds produced by cryosurgery and laser therapy heal within a period of 7–14 days, while it takes two to four months for those caused by vermilionectomy. After the healing process, many patients experience good cosmetic results.

What is Phytophotodermatitis?

Phytophotodermatitis (PPD) is a cutaneous phototoxic inflammatory eruption resulting from contact with light-sensitizing botanical substances, also known as furanocoumarins, and long-wave ultraviolet A (UV-A, 320-380 nm) radiation.

What does the word photosensitive most likely mean?

Photosensitivity is an extreme sensitivity to ultraviolet (UV) rays from the sun and other light sources. Most people are at risk of developing sunburn during long exposure to sunlight.

Can vitamin D supplements cause sun sensitivity?

There are three sources of vitamin D: synthesis by the skin following exposure to sunlight, certain foods (often through vitamin D fortification), and vitamin D supplements. … Position Statement on Vitamin D (Revised: February 2014.

Table 3. IOM Recommendation on Vitamin D
0- 12 mo: 400 IU/d
71+ yrs: 800 IU/d

What is the best antihistamine for sun allergy?

Sun allergy is caused by eliciting wavelengths, commonly UV-A alone or with UV-B or visible light (VL). Treatment options for sun allergy are antihistamines (i.e. Clartin, Zyrtec, Allegra, Benadryl), broadband sunscreens, phototherapy, IVIG, omalizumab (Xolair) or immunosuppressive treatments.

Why do I get red itchy bumps after being in the sun?

Polymorphous light eruption, also known as polymorphic light eruption, is a rash caused by sun exposure in people who have developed sensitivity to sunlight. The rash usually appears as red, tiny bumps or slightly raised patches of skin.